curl --request PUT \
  --url https://api.despezzas.com/v2/business/contacts/{id} \
  --header 'Authorization: Basic <encoded-value>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "address_city": null,
  "address_complement": null,
  "address_district": null,
  "address_number": null,
  "address_state": null,
  "address_street": null,
  "address_zip": null,
  "city_code": null,
  "document": "12.345.678/0001-90",
  "email": "contato@alfa.com.br",
  "municipal_inscription": null,
  "name": "Distribuidora Alfa",
  "notes": null,
  "phone": "1133334444",
  "type": "supplier"
}
'

const options = {
  method: 'PUT',
  headers: {Authorization: 'Basic <encoded-value>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    address_city: null,
    address_complement: null,
    address_district: null,
    address_number: null,
    address_state: null,
    address_street: null,
    address_zip: null,
    city_code: null,
    document: '12.345.678/0001-90',
    email: 'contato@alfa.com.br',
    municipal_inscription: null,
    name: 'Distribuidora Alfa',
    notes: null,
    phone: '1133334444',
    type: 'supplier'
  })
};

fetch('https://api.despezzas.com/v2/business/contacts/{id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.despezzas.com/v2/business/contacts/{id}"

payload = {
    "address_city": None,
    "address_complement": None,
    "address_district": None,
    "address_number": None,
    "address_state": None,
    "address_street": None,
    "address_zip": None,
    "city_code": None,
    "document": "12.345.678/0001-90",
    "email": "contato@alfa.com.br",
    "municipal_inscription": None,
    "name": "Distribuidora Alfa",
    "notes": None,
    "phone": "1133334444",
    "type": "supplier"
}
headers = {
    "Authorization": "Basic <encoded-value>",
    "Content-Type": "application/json"
}

response = requests.put(url, json=payload, headers=headers)

print(response.text)

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.despezzas.com/v2/business/contacts/{id}"

	payload := strings.NewReader("{\n  \"address_city\": null,\n  \"address_complement\": null,\n  \"address_district\": null,\n  \"address_number\": null,\n  \"address_state\": null,\n  \"address_street\": null,\n  \"address_zip\": null,\n  \"city_code\": null,\n  \"document\": \"12.345.678/0001-90\",\n  \"email\": \"contato@alfa.com.br\",\n  \"municipal_inscription\": null,\n  \"name\": \"Distribuidora Alfa\",\n  \"notes\": null,\n  \"phone\": \"1133334444\",\n  \"type\": \"supplier\"\n}")

	req, _ := http.NewRequest("PUT", url, payload)

	req.Header.Add("Authorization", "Basic <encoded-value>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

{
  "created_by_user_id": "0d6b923c-3392-424e-a152-2ee32474e8d5",
  "id": "f1e2d3c4-b5a6-4978-8a9b-0c1d2e3f4a5b",
  "name": "Distribuidora Alfa",
  "type": "supplier",
  "address_city": null,
  "address_complement": null,
  "address_district": null,
  "address_number": null,
  "address_state": null,
  "address_street": null,
  "address_zip": null,
  "city_code": null,
  "createdAt": "2026-09-01T09:00:00.000Z",
  "document": "12345678000190",
  "document_type": "cnpj",
  "email": "contato@alfa.com.br",
  "municipal_inscription": null,
  "notes": null,
  "phone": "1133334444",
  "profile_id": "5b2c1e0a-7d3f-4c8e-9a1b-2f6d8e4c7a90",
  "updatedAt": "2026-09-15T14:32:10.000Z",
  "user_id": null
}

{
  "message": "Credenciais de API inválidas",
  "statusCode": 401,
  "error": "Unauthorized"
}

{
  "message": "Credenciais de API inválidas",
  "statusCode": 401,
  "error": "Unauthorized"
}

{
  "message": "Credenciais de API inválidas",
  "statusCode": 401,
  "error": "Unauthorized"
}

{
  "message": "Credenciais de API inválidas",
  "statusCode": 401,
  "error": "Unauthorized"
}

{
  "message": "Credenciais de API inválidas",
  "statusCode": 401,
  "error": "Unauthorized"
}